I've opened them up before - I doubt its anything in there though, I'd bet its somewhere in your wireing - could be a weak relay or something. Can you switch your lights and see if it does it with the other light on that circuit ?

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2008 Rhino SE 700
Muzzy's / MSD
XMF LT w/ WER's
Hunterworks Sheave
Tuned by The Pro Shop
HID's
Livewire whip